90 pupils were asked whether they owned a laptop or a tablet device. 52 said they owned a laptop. 45 said they owned a tablet. 23 said they owned both. Find the probability that a pupil chosen at ...

A Venn diagram can show data sets such as preferences in market research. When sets intersect (overlap), the elements in the intersection are members of both sets. When the sets have no elements in ...

British mathematician John Venn was born on August 4, 1834, so this Saturday marks the 184th anniversary of his birth in Hull, England. John Venn is most known for creating and introducing the Venn ...

An education consultant planted a seed in my mind several years ago about the usefulness of the triple Venn diagram. She showed the school staff one similar to the one on the left and argued that ...